Children&#39;s safety seat for vehicles



FIG. 1 is a front view of a children's safety seat for vehicles according to my novel design, with the slidable head protector in a raised position;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The broken line showing of environmental structure in the drawing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a children's safety seat for vehicles, as shown and described. 